ChartDirector 6.0 (ColdFusion Edition)
White Vertical Linear Meters
Source Code Listing
<cfscript> // ChartDirector for ColdFusion API Access Point cd = CreateObject("java", "ChartDirector.CFChart"); // A utility to allow us to create arrays with data in one line of code function Array() { var result = ArrayNew(1); var i = 0; for (i = 1; i LTE ArrayLen(arguments); i = i + 1) result[i] = arguments[i]; return result; } // Function to create the demo charts function createChart(chartIndex) { // Declare local variables var value = 0; var m = 0; var smoothColorScale = 0; var stepColorScale = 0; var highLowColorScale = 0; var t = 0; // The value to display on the meter value = 75.35; // Create a LinearMeter object of size 250 x 75 pixels with very light grey (0xeeeeee) // backgruond and a light grey (0xccccccc) 3-pixel thick rounded frame m = cd.LinearMeter(70, 260, "0xeeeeee", "0xcccccc"); m.setRoundedFrame(cd.Transparent); m.setThickFrame(3); // Set the scale region top-left corner at (28, 30), with size of 20 x 196 pixels. The scale // labels are located on the left (default - implies vertical meter) m.setMeter(28, 30, 20, 196); // Set meter scale from 0 - 100, with a tick every 10 units m.setScale(0, 100, 10); // Demostrate different types of color scales and putting them at different positions smoothColorScale = Array(0, "0x6666ff", 25, "0x00bbbb", 50, "0x00ff00", 75, "0xffff00", 100, "0xff0000"); stepColorScale = Array(0, "0x33ff33", 50, "0xffff33", 80, "0xff3333", 100); highLowColorScale = Array(0, "0x6666ff", 70, cd.Transparent, 100, "0xff0000"); if (chartIndex EQ 0) { // Add the smooth color scale at the default position m.addColorScale(smoothColorScale); } else if (chartIndex EQ 1) { // Add the step color scale at the default position m.addColorScale(stepColorScale); } else if (chartIndex EQ 2) { // Add the high low scale at the default position m.addColorScale(highLowColorScale); } else if (chartIndex EQ 3) { // Add the smooth color scale starting at x = 28 (left of scale) with zero width and ending // at x = 28 with 20 pixels width m.addColorScale(smoothColorScale, 28, 0, 28, 20); } else if (chartIndex EQ 4) { // Add the smooth color scale starting at x = 38 (center of scale) with zero width and // ending at x = 28 with 20 pixels width m.addColorScale(smoothColorScale, 38, 0, 28, 20); } else { // Add the smooth color scale starting at x = 48 (right of scale) with zero width and ending // at x = 28 with 20 pixels width m.addColorScale(smoothColorScale, 48, 0, 28, 20); } // In this demo, we demostrate pointers of different shapes if (chartIndex LT 3) { // Add a blue (0x0000cc) pointer of default shape at the specified value m.addPointer(value, "0x0000cc"); } else { // Add a blue (0x0000cc) pointer of triangular shape the specified value m.addPointer(value, "0x0000cc").setShape(cd.TriangularPointer, 0.7, 0.5); } // Add a title using 8pt Arial Bold font with a border color background m.addTitle("Temp C", "Arial Bold", 8, cd.TextColor).setBackground("0xcccccc"); // Add a text box at the bottom-center. Display the value using white (0xffffff) 8pt Arial Bold // font on a black (0x000000) background with rounded border. t = m.addText(m.getWidth() / 2, m.getHeight() - 8, m.formatValue(value, "2"), "Arial Bold", 8, "0xffffff", cd.Bottom); t.setBackground("0x000000"); t.setRoundedCorners(3); t.setMargin2(5, 5, 2, 1); // Output the chart return m.makeSession(GetPageContext(), "chart" & chartIndex); } chart0URL = createChart(0); chart1URL = createChart(1); chart2URL = createChart(2); chart3URL = createChart(3); chart4URL = createChart(4); chart5URL = createChart(5); </cfscript> <html> <body style="margin:5px 0px 0px 5px"> <div style="font-size:18pt; font-family:verdana; font-weight:bold"> White Vertical Linear Meters </div> <hr style="border:solid 1px #000080" /> <cfoutput> <div style="font-size:9pt; font-family:verdana; margin-bottom:1.5em"> <a href='viewsource.cfm?file=#CGI.SCRIPT_NAME#'>View Source Code</a> </div> <img src="getchart.cfm?#chart0URL#" /> <img src="getchart.cfm?#chart1URL#" /> <img src="getchart.cfm?#chart2URL#" /> <img src="getchart.cfm?#chart3URL#" /> <img src="getchart.cfm?#chart4URL#" /> <img src="getchart.cfm?#chart5URL#" /> </cfoutput> </body> </html> |